.box{
    border:1px solid #C6C6C6;
    width:100%;
}
.box h1{
    background:url(http://static.youku.com/index/img/master.png) repeat-x scroll 0 -1568px #E6E6E6;
    line-height:26px;   /*为了让文字垂直居中，需要使用line-height设定高度*/
    background-color:#EBE123;
    border-bottom:1px solid #A8BACD;
    cursor:pointer;
    font-weight:bold;
    margin:0 0 0.5em;
    padding:2px;
    font-size:14px;
}
.box h1 em{
    display:block;
    float:left;
    width:18px;height:18px;
    margin:7px;
    background:url(http://static.youku.com/index/img/master.png) repeat-x scroll -128px -128px #E6E6E6;
}
.box .body{
    padding-right:10px;
    padding-left:10px;
}
h3{
    height:50px;
    border:1px solid #EBEBEB;
    margin:15px;

}